Rush Memo For Public Elementary & Secondary Schools : Designation of Officer -In -Charge: Nov.2-6, 2015 (Benchmarking Activity on Senior High School in Singapore ) Posted on October 23, 2015 by MSM13 Leave a comment 2447. Designation of Officer -In -Charge: Nov.2-6, 2015 (Benchmarking Activity on Senior High School in Singapore) Memorandum